evelyn-cook_60b5ac899cfb7
evelyn-cook_60b5ac899cfb7
About
- Username
- evelyn-cook_60b5ac899cfb7
- Joined
- Visits
- 0
- Last Active
- Roles
- Member
Comments
-
Set up a system of equations: x+y=37 X-Y=21 Solve one of the equations for one of the variables: x=37-y Plug that into the other equation in place of x: (37-y)-y=21 Solve for y: 37-2y=21 y=8 Plug this y into one of the equa…